From 3e0bb895418b2042ee9cd14b2444a36c87a3f449 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Thu, 24 Dec 2020 09:26:03 +0100
Subject: Fix macro_rules not accepting brackets or parentheses

---
 crates/parser/src/grammar/items.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'crates/parser')

diff --git a/crates/parser/src/grammar/items.rs b/crates/parser/src/grammar/items.rs
index 72b73f891..cf4168d32 100644
--- a/crates/parser/src/grammar/items.rs
+++ b/crates/parser/src/grammar/items.rs
@@ -389,10 +389,15 @@ fn macro_rules(p: &mut Parser, m: Marker) {
     }
 
     match p.current() {
-        T!['{'] => {
+        // test macro_rules_non_brace
+        // macro_rules! m ( ($i:ident) => {} );
+        // macro_rules! m [ ($i:ident) => {} ];
+        T!['['] | T!['('] => {
             token_tree(p);
+            p.expect(T![;]);
         }
-        _ => p.error("expected `{`"),
+        T!['{'] => token_tree(p),
+        _ => p.error("expected `{`, `[`, `(`"),
     }
     m.complete(p, MACRO_RULES);
 }
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